Yosemite National Park, California
Regional Weather Alerts
| Alert: | Extreme Heat Warning |
| Area(s): | Joshua Tree NP West; Joshua Tree NP East; Imperial County Southwest; Salton Sea; Chuckwalla Mountains; Imperial County Southeast; Imperial County West; Imperial Valley; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley |
| Effective: | 7apeor43ap -> 10apeor0ap |
| Onset: | 9apeor0ap -> 8aaeor0aa |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Phoenix AZ on 7apeor43ap |
| Headline: | Extreme Heat Warning issued July 7 at 12:43PM MST until July 10 at 8:00PM MST by NWS Phoenix AZ |
| Description: |
* WHAT...Dangerously hot conditions. Afternoon temperatures 110 to 118 expected. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...Portions of southeast and southern California. * WHEN...From 10 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. |
| Alert: | Extreme Heat Warning |
| Area(s): | Coachella Valley; San Diego County Deserts |
| Effective: | 7apeor16ap -> 10apeor0ap |
| Onset: | 9apeor0ap -> 8aaeor30aa |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 7apeor16ap |
| Headline: | Extreme Heat Warning issued July 7 at 12:16PM PDT until July 10 at 8:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...Dangerously hot conditions with high temperatures of 114 to 118 degrees expected. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...From 10 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Risk for heat-related illnesses for most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. |
| Alert: | Heat Advisory |
| Area(s): | San Diego County Inland Valleys |
| Effective: | 7apeor16ap -> 10apeor0ap |
| Onset: | 9apeor0ap -> 8aaeor30aa |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 7apeor16ap |
| Headline: | Heat Advisory issued July 7 at 12:16PM PDT until July 10 at 8:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...High temperatures 97 to 101 degrees expected. * WHERE...San Diego County Valleys. * WHEN...From 10 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Widespread moderate HeatRisk expected. Hottest conditions expected east of Interstate 15. |
| Alert: | Heat Advisory |
| Area(s): | San Bernardino and Riverside County Valleys-The Inland Empire |
| Effective: | 7apeor16ap -> 10apeor0ap |
| Onset: | 9apeor0ap -> 8aaeor30aa |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 7apeor16ap |
| Headline: | Heat Advisory issued July 7 at 12:16PM PDT until July 10 at 8:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...High temperatures of 97 to 104 degrees expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...From 10 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Widespread moderate HeatRisk. |
| Alert: | Heat Advisory |
| Area(s): | Riverside County Mountains; San Diego County Mountains |
| Effective: | 7apeor16ap -> 10apeor0ap |
| Onset: | 9apeor0ap -> 8aaeor30aa |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 7apeor16ap |
| Headline: | Heat Advisory issued July 7 at 12:16PM PDT until July 10 at 8:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...High temperatures 85 to 98 degrees. * WHERE...Riverside County Mountains and San Diego County Mountains. * WHEN...From 10 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Widespread moderate HeatRisk. Hottest conditions will be 5000 ft in elevation and below. |
| Alert: | Extreme Heat Watch |
| Area(s): | Lake Havasu and Fort Mohave; Northwest Deserts; Lake Mead National Recreation Area; San Bernardino County-Upper Colorado River Valley; Lake Mead National Recreation Area |
| Effective: | 7aaeor26aa -> 9apeor0ap |
| Onset: | 9apeor0ap -> 7apeor0ap |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Future |
| Issued By: | NWS Las Vegas NV on 7aaeor26aa |
| Headline: | Extreme Heat Watch issued July 7 at 12:26AM PDT until July 9 at 8:00PM PDT by NWS Las Vegas NV |
| Description: |
* WHAT...Dangerously hot conditions are expected on Wednesday. Afternoon high temperatures in the Colorado River Valley will be between 110 and 120 degrees. High temperatures in the lower elevations of southern Mohave County will be around 110 to 115 degrees. * WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort Mohave, Northwest Deserts, and San Bernardino County-Upper Colorado River Valley. * WHEN...From Wednesday morning through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. |
| Alert: | Extreme Heat Watch |
| Area(s): | Coachella Valley; San Diego County Deserts |
| Effective: | 6apeor44ap -> 10apeor0ap |
| Onset: | 9apeor0ap -> 6apeor0ap |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Past |
| Issued By: | NWS San Diego CA on 6apeor44ap |
| Headline: | The Extreme Heat Watch has been replaced. Please see the latest information from NWS San Diego CA on this developing situation. |
| Description: |
The Extreme Heat Watch has been replaced. Please see the latest information from NWS San Diego CA on this developing situation. |